Diesel Bombers
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Diesel Bombers (https://www.dieselbombers.com/)
-   1st Generation Dodge Cummins 89-93 (https://www.dieselbombers.com/1st-generation-dodge-cummins-89-93/)
-   -   Well, Found The Limits Of The 727 Tranny (https://www.dieselbombers.com/1st-generation-dodge-cummins-89-93/34388-well-found-limits-727-tranny.html)

DB Admin 10-17-2009 11:44 AM
Dont we have similar transmissions? Ive done 30+ PSI boosted launches and never hurt the transmission with stock shafts .

RSWORDS 10-17-2009 12:15 PM
No, I have a 727. I've done ALOT of boosted launches... Like ALOT... just wore it out over time I guess.

Never seen a 30psi boosted launch before. I bet that was a ride!

DB Admin 10-17-2009 12:22 PM
Its not that big of deal , i can do it in mc donalds drive threw :D

Benjamin 10-17-2009 12:31 PM
Originally Posted by DieselMinded (Post 412736)
Dont we have similar transmissions? Ive done 30+ PSI boosted launches and never hurt the transmission with stock shafts .
no they aren't similar, 47RE and TF727 are 2 different animals

that is like comparing a Chevy 700R4 and a 200-4R , both are overdrive tranny's but one is WAY stronger than the other.....

RSWORDS 10-17-2009 12:41 PM
are these 4wd launches chad?

You have a billit input too dont you?

RSWORDS 10-17-2009 12:42 PM
Originally Posted by Benjamin (Post 412774)
no they aren't similar, 47RE and TF727 are 2 different animals

that is like comparing a Chevy 700R4 and a 200-4R , both are overdrive tranny's but one is WAY stronger than the other.....
my 727 in non-OD

Its a strong tranny, real strong, just not strong enough... :D
It was a stock input...

DB Admin 10-17-2009 12:43 PM
No 2wd , stock shafts , i did it with my old turbo and Fratelli Bosio Injectors , really wasnt a big deal just power brake it till the boost gauge pegs and let off the brake

RSWORDS 10-17-2009 12:45 PM
Oh so your tires were spinning... I can get mine up to 50 just power braking and burning off tires. I broke this in 4hi coming up on teh convertor to take off like drag racing. Try that a few times... :D

Benjamin 10-17-2009 12:51 PM
Originally Posted by RSWORDS (Post 412786)
my 727 in non-OD

Its a strong tranny, real strong, just not strong enough... :D
It was a stock input...
ok Mr. Technical, comparing a ford C-3 (late 70's early 80 technology) transmission and a Ford 4R70W (late 90's 2000's technology), overdrive lockup converter tranny..... GEEEEEEEEEEEEEEEZZZZZZZZZZZZZZ

DB Admin 10-17-2009 12:56 PM
Originally Posted by RSWORDS (Post 412789)
Oh so your tires were spinning... I can get mine up to 50 just power braking and burning off tires. I broke this in 4hi coming up on teh convertor to take off like drag racing. Try that a few times... :D
I would but i would probably break my input shaft


:D


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